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How many NAND gate are used to from AND ...

How many `NAND` gate are used to from `AND` gate?

A

four

B

two

C

three

D

Five

Text Solution

Verified by Experts

The correct Answer is:
C
For this purpose we use `NAND` gate in manner as shown. The first two `NAND` gates ar operated as `NOT` gates and their output are fed to the third The resulting circuit is `OR` gate. Here, there gates are used.
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